Messages in this thread | | | From | Linus Torvalds <> | Date | Wed, 1 May 2019 11:59:05 -0700 | Subject | Re: [RFC][PATCH v3] ftrace/x86_64: Emulate call function while updating in breakpoint handler |
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On Wed, May 1, 2019 at 11:52 AM Steven Rostedt <rostedt@goodmis.org> wrote: > > I got Peter's patch working. Here it is. What do you think?
I can tell from just looking at it for five seconds that at least the 32-bit case is buggy.
You can't look at CS(%rsp) without first also checking that you're not coming from vm86 mode.
But other than that I guess it does end up being pretty simple.
Linus
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